Sterling HR81 by Benjamin Sheridan

Check out our video on Youtube here;

Here’s some info from a 1988 Benjamin Sheridan catalog;

And the catalog from 1991, notice that a 20 caliber version has been added;

An article from Airgun Digest 3rd Edition, by Jess Galan. I may have to take it down as I didn’t ask permission to publish it;

And finally, the owners manual;